oracle.pg.rdbms.pgql

Class PgqlResultElementImpl

java.lang.Object

oracle.pg.rdbms.pgql.PgqlResultElementImpl

All Implemented Interfaces:

PgqlResultElement

public class PgqlResultElementImpl
extends java.lang.Object
implements PgqlResultElement

This class represents a single element in a PGQL query result

Method Summary

Modifier and Type	Method and Description
java.lang.String	getColumnName() Returns the name of the projected PGQL column for this result element
PgqlColumnDescriptor.Type	getColumnType() Returns the type of column:
java.lang.Object	getContents() Returns the value of this result element.
int	getValueType() Returns the type of value for elements with VALUE column type.
java.lang.String	toString() Creates a string for this result element.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getColumnName

public java.lang.String getColumnName()

Returns the name of the projected PGQL column for this result element

Specified by:

getColumnName in interface PgqlResultElement

Returns:

the column name

getColumnType

public PgqlColumnDescriptor.Type getColumnType()

Returns the type of column:

PgqlColumnDescriptor.Type.VERTEX
PgqlColumnDescriptor.Type.EDGE
PgqlColumnDescriptor.Type.VALUE

Specified by:

getColumnType in interface PgqlResultElement

Returns:

the column type

getContents

public java.lang.Object getContents()
                             throws oracle.pgql.lang.PgqlException

Returns the value of this result element. The returned object can be cast to the appropriate Java Object type.

Specified by:

getContents in interface PgqlResultElement

Returns:

the contents of this result element

Throws:

oracle.pgql.lang.PgqlException - when attempting to get a vertex or an edge object

getValueType

public int getValueType()

Returns the type of value for elements with VALUE column type. The returned values correspond to values in the T column of the PG relational schema.

Specified by:

getValueType in interface PgqlResultElement

Returns:

the type of value

toString

public java.lang.String toString()

Creates a string for this result element.

Overrides:

toString in class java.lang.Object

Returns:

a string serialization for this result element